A health inspection grade is posted outside a Manhattan eatery. In several cities, Yelp users can now find out how a restaurant scored on its health inspection well before they walk through the door. Mario Tama/Getty Images hide caption

itoggle caption Mario Tama/Getty Images

The Hartford Police Department is one of a number of police departments across the country that are offering up their parking lots as "safe zones" for Craigslist transactions. Courtesy of the Hartford Police Department hide caption

itoggle caption Courtesy of the Hartford Police Department